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Re: bin/46978: internal compiler error building qt4-libs
The following reply was made to PR bin/46978; it has been noted by GNATS.
From: David Laight <david%l8s.co.uk@localhost>
Subject: Re: bin/46978: internal compiler error building qt4-libs
Date: Thu, 20 Sep 2012 23:07:06 +0100
On Thu, Sep 20, 2012 at 08:05:03AM +0000, Nick Hudson wrote:
> The following reply was made to PR bin/46978; it has been noted by GNATS.
> > The compiler bug is still present in g++ (NetBSD nb1 20120916) 4.5.4
> > on NetBSD/i386, although the line number has changed from 1306 to 1300:
> > "internal compiler error: in insert_save, at caller-save.c:1300"
> 1297: /* Verify that the alignment of spill space is equal to or greater
> 1298: than required. */
> 1299: gcc_assert (MIN (MAX_SUPPORTED_STACK_ALIGNMENT,
> 1300: GET_MODE_ALIGNMENT (GET_MODE (mem))) <= MEM_ALIGN
> I wonder if it's related to joerg's commit
I've just tried to guess what the LHS and RHS of that comparison might be.
But it is lurking well inside many #defines and functions.
Might be worth trying to print MAX_SUPPORTED_STACK_ALIGNMENT,
GET_MODE_ALIGNMENT (GET_MODE (mem)) and MEM_ALIGN(mem) when the assert
I think there is also an 'rtx' print routing lurking that could be used
David Laight: david%l8s.co.uk@localhost
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